CH680240A5 - - Google Patents
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- Publication number
- CH680240A5 CH680240A5 CH216589A CH216589A CH680240A5 CH 680240 A5 CH680240 A5 CH 680240A5 CH 216589 A CH216589 A CH 216589A CH 216589 A CH216589 A CH 216589A CH 680240 A5 CH680240 A5 CH 680240A5
- Authority
- CH
- Switzerland
- Prior art keywords
- width
- photodetector
- marking
- photo
- pattern
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/285—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication using a movable mirror
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL27342688A PL158082B1 (pl) | 1988-06-30 | 1988-06-30 | Uklad do pomiaru polozenia katowego i predkosci obrotowej PL |
| PL27631088A PL158174B1 (pl) | 1988-12-09 | 1988-12-09 | Przetwornik obrotowo-impulsowy PL |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH680240A5 true CH680240A5 (enrdf_load_stackoverflow) | 1992-07-15 |
Family
ID=26653052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH216589A CH680240A5 (enrdf_load_stackoverflow) | 1988-06-30 | 1989-06-09 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH680240A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3920627A1 (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3939905A1 (de) * | 1989-12-02 | 1991-06-06 | Teldix Gmbh | Winkelgeber |
| GB9120050D0 (en) * | 1991-09-19 | 1991-11-06 | Penny & Giles Studio Equip | Improvements relating to digital encoders |
| DE19922009B4 (de) * | 1999-05-12 | 2012-02-16 | Dr. Johannes Heidenhain Gmbh | Rotatorische Positionsmeßeinrichtung |
| EP1089059B1 (de) * | 1999-09-28 | 2007-09-26 | Snap-On Equipment GmbH | Radauswuchtmaschine für ein Kraftfahrzeugrad mit kompaktem Drehwinkelgeber |
| DE102007003852A1 (de) * | 2007-01-25 | 2008-07-31 | Raylase Ag | Galvanometrischer Motor mit optischer Positionsdetektionseinrichtung |
| NO347574B1 (en) * | 2022-02-28 | 2024-01-15 | Autostore Tech As | A device and a method for determining rotational position of a rotating shaft |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1673421B1 (de) * | 1968-02-23 | 1971-12-09 | Philips Patentverwaltung | Vorrichtung zur beruehrungslosen messung der winkelgeschwin digkeit einer umlaufenden welle |
| DE3422365A1 (de) * | 1983-06-17 | 1984-12-20 | Elin-Union Aktiengesellschaft für elektrische Industrie, Wien | Einrichtung zur erfassung der drehzahl |
| DE3633574A1 (de) * | 1986-10-02 | 1988-04-14 | Heidenhain Gmbh Dr Johannes | Lichtelektrische winkelmesseinrichtung |
-
1989
- 1989-06-09 CH CH216589A patent/CH680240A5/de not_active IP Right Cessation
- 1989-06-23 DE DE19893920627 patent/DE3920627A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE3920627A1 (de) | 1990-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |